Journal of Environmental and Public Health / 2012 / Article / Tab 1

Research Article

Trends in Roll-Your-Own Smoking: Findings from the ITC Four-Country Survey (2002–2008)

Table 1

Prevalence (%) of exclusive factory-made (FM) use, sometime (“Some”) RYO use, and predominant (“Pred”) RYO use by country and across waves (weighted data).

Wave (year)CanadaUnited StatesUnited KingdomAustralia
FMSome RYOPred RYOFMSome RYOPred RYOFMSome RYOPred RYOFMSome RYOPred RYO

1 (2002)81.66.212.292.95.12.169.68.821.673.112.614.3
2 (2003)83.05.911.593.44.42.368.27.424.475.29.914.9
3 (2004)83.76.110.293.14.72.268.76.824.576.49.314.3
4 (2005)83.95.111.091.25.92.867.66.226.277.57.814.7
5 (2006)85.04.510.590.26.43.363.27.429.474.99.016.1
6 (2007)87.34.28.690.34.55.262.36.131.577.37.715.0
7 (2008)87.93.38.889.15.25.762.06.631.578.26.415.4

𝑃 value for trend.001.006.080.078.677<.001<.001.039<.001.055<.001.131

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